#!/usr/bin/env vpython3
# Copyright 2017 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Tests for process_profiles.py."""
import collections
import unittest
import process_profiles
from test_utils import (ProfileFile,
SimpleTestSymbol,
TestSymbolOffsetProcessor,
TestProfileManager)
class ProcessProfilesTestCase(unittest.TestCase):
START_SYMBOL = 'linker_script_start_of_text'
def setUp(self):
self.symbol_0 = SimpleTestSymbol(self.START_SYMBOL, 0, 0)
self.symbol_1 = SimpleTestSymbol('1', 6, 16)
self.symbol_2 = SimpleTestSymbol('2', 32, 8)
self.symbol_3 = SimpleTestSymbol('3', 40, 12)
self.offset_to_symbol_info = (
[None] * 3 + [self.symbol_1] * 8 + [None] * 5 + [self.symbol_2] * 4 +
[self.symbol_3] * 6)
self.symbol_infos = [self.symbol_0, self.symbol_1,
self.symbol_2, self.symbol_3]
self._file_counter = 0
def MakeAnnotatedOffset(self, offset, counts):
ao = process_profiles.ProfileManager.AnnotatedOffset(offset)
ao._count = counts
return ao
def testGetOffsetToSymbolInfo(self):
processor = TestSymbolOffsetProcessor(self.symbol_infos)
self.assertListEqual(self.offset_to_symbol_info,
processor.GetDumpOffsetToSymbolInfo())
def testOverlappingSymbols(self):
symbol_1 = SimpleTestSymbol(self.START_SYMBOL, 6, 8)
symbol_2 = SimpleTestSymbol('2', 10, 10)
processor = TestSymbolOffsetProcessor([symbol_1, symbol_2])
self.assertListEqual([symbol_1] * 4 + [symbol_2] * 3,
processor.GetDumpOffsetToSymbolInfo())
def testSymbolsBeforeStart(self):
self.symbol_infos = [SimpleTestSymbol(s.name, s.offset + 8, s.size)
for s in self.symbol_infos]
self.symbol_infos.append(SimpleTestSymbol('early', 0, 4))
processor = TestSymbolOffsetProcessor(self.symbol_infos)
self.assertRaises(AssertionError, processor.GetDumpOffsetToSymbolInfo)
def testGetReachedOffsetsFromDump(self):
processor = TestSymbolOffsetProcessor(self.symbol_infos)
# 2 hits for symbol_1, 0 for symbol_2, 1 for symbol_3
dump = [8, 12, 48]
reached = processor.GetReachedOffsetsFromDump(dump)
self.assertListEqual([self.symbol_1.offset, self.symbol_3.offset], reached)
# Ordering matters, no repetitions
dump = [48, 12, 8, 12, 8, 16]
reached = processor.GetReachedOffsetsFromDump(dump)
self.assertListEqual([self.symbol_3.offset, self.symbol_1.offset], reached)
def testSymbolNameToPrimary(self):
symbol_infos = [SimpleTestSymbol('1', 8, 16),
SimpleTestSymbol('AnAlias', 8, 16),
SimpleTestSymbol('Another', 40, 16)]
processor = TestSymbolOffsetProcessor(symbol_infos)
self.assertDictEqual({8: symbol_infos[0],
40: symbol_infos[2]}, processor.OffsetToPrimaryMap())
def testGetOrderedSymbols(self):
processor = TestSymbolOffsetProcessor(self.symbol_infos)
self.assertListEqual(['1', '3', self.START_SYMBOL],
processor.GetOrderedSymbols([7, 41, 5, 0]))
def testOffsetToSymbolsMap(self):
symbol_infos = [SimpleTestSymbol('1', 8, 16),
SimpleTestSymbol('AnAlias', 8, 16),
SimpleTestSymbol('Another', 40, 16)]
processor = TestSymbolOffsetProcessor(symbol_infos)
self.assertDictEqual({8: [symbol_infos[0], symbol_infos[1]],
40: [symbol_infos[2]]},
processor.OffsetToSymbolsMap())
def testPrimarySizeMismatch(self):
symbol_infos = [SimpleTestSymbol('1', 8, 16),
SimpleTestSymbol('AnAlias', 8, 32)]
processor = TestSymbolOffsetProcessor(symbol_infos)
self.assertRaises(AssertionError, processor.OffsetToPrimaryMap)
symbol_infos = [SimpleTestSymbol('1', 8, 0),
SimpleTestSymbol('2', 8, 32),
SimpleTestSymbol('3', 8, 32),
SimpleTestSymbol('4', 8, 0),]
processor = TestSymbolOffsetProcessor(symbol_infos)
self.assertDictEqual({8: symbol_infos[1]}, processor.OffsetToPrimaryMap())
def testMatchSymbols(self):
symbols = [SimpleTestSymbol('W', 30, 10),
SimpleTestSymbol('Y', 60, 5),
SimpleTestSymbol('X', 100, 10)]
processor = TestSymbolOffsetProcessor(symbols)
self.assertListEqual(sorted(symbols[1:3]),
processor.MatchSymbolNames(['Y', 'X']))
def testSymbolsSize(self):
symbols = [SimpleTestSymbol('W', 10, 1),
SimpleTestSymbol('X', 20, 2),
SimpleTestSymbol('Y', 30, 4),
SimpleTestSymbol('Z', 40, 8)]
processor = TestSymbolOffsetProcessor(symbols)
self.assertEqual(13, processor.SymbolsSize(['W', 'Y', 'Z']))
def testMedian(self):
self.assertEquals(None, process_profiles._Median([]))
self.assertEquals(5, process_profiles._Median([5]))
self.assertEquals(5, process_profiles._Median([1, 5, 20]))
self.assertEquals(5, process_profiles._Median([4, 6]))
self.assertEquals(5, process_profiles._Median([1, 4, 6, 100]))
self.assertEquals(5, process_profiles._Median([1, 4, 5, 6, 100]))
def testRunGroups(self):
files = [ProfileFile(40, 0), ProfileFile(100, 0),
ProfileFile(200, 1), ProfileFile(35, 1),
ProfileFile(42, 0), ProfileFile(95, 0)]
mgr = process_profiles.ProfileManager(files)
mgr._ComputeRunGroups()
self.assertEquals(3, len(mgr._run_groups))
self.assertEquals(3, len(mgr._run_groups[0].Filenames()))
self.assertEquals(2, len(mgr._run_groups[1].Filenames()))
self.assertEquals(1, len(mgr._run_groups[2].Filenames()))
self.assertTrue(files[0] in mgr._run_groups[0].Filenames())
self.assertTrue(files[3] in mgr._run_groups[0].Filenames())
self.assertTrue(files[4] in mgr._run_groups[0].Filenames())
self.assertTrue(files[1] in mgr._run_groups[1].Filenames())
self.assertTrue(files[5] in mgr._run_groups[1].Filenames())
self.assertTrue(files[2] in mgr._run_groups[2].Filenames())
def testRunGroupSanity(self):
files = []
# Generate 20 sets of files in groups separated by 60s.
for ts_base in range(0, 20):
ts = ts_base * 60
files.extend([ProfileFile(ts, 0, 'browser'),
ProfileFile(ts + 1, 0, 'renderer'),
ProfileFile(ts + 2, 1, 'browser'),
ProfileFile(ts + 3, 0, 'gpu'),
ProfileFile(ts + 2, 1, 'renderer'),
ProfileFile(ts + 5, 1, 'gpu')])
# The following call should not assert.
process_profiles.ProfileManager(files)._ComputeRunGroups()
files.extend([
ProfileFile(20 * 60, 0, 'browser'),
ProfileFile(20 * 60 + 2, 1, 'renderer'),
ProfileFile(21 * 60, 0, 'browser')
] + [ProfileFile(22 * 60, 0, 'renderer') for _ in range(0, 10)])
self.assertRaises(AssertionError,
process_profiles.ProfileManager(files)._ComputeRunGroups)
def testReadOffsets(self):
mgr = TestProfileManager({
ProfileFile(30, 0): [1, 3, 5, 7],
ProfileFile(40, 1): [8, 10],
ProfileFile(50, 0): [13, 15]})
self.assertListEqual([1, 3, 5, 7, 8, 10, 13, 15],
mgr.GetMergedOffsets())
self.assertListEqual([8, 10], mgr.GetMergedOffsets(1))
self.assertListEqual([], mgr.GetMergedOffsets(2))
def testRunGroupOffsets(self):
mgr = TestProfileManager({
ProfileFile(30, 0): [1, 2, 3, 4],
ProfileFile(150, 0): [9, 11, 13],
ProfileFile(40, 1): [5, 6, 7]})
offsets_list = mgr.GetRunGroupOffsets()
self.assertEquals(2, len(offsets_list))
self.assertListEqual([1, 2, 3, 4, 5, 6, 7], offsets_list[0])
self.assertListEqual([9, 11, 13], offsets_list[1])
offsets_list = mgr.GetRunGroupOffsets(0)
self.assertEquals(2, len(offsets_list))
self.assertListEqual([1, 2, 3, 4], offsets_list[0])
self.assertListEqual([9, 11, 13], offsets_list[1])
offsets_list = mgr.GetRunGroupOffsets(1)
self.assertEquals(2, len(offsets_list))
self.assertListEqual([5, 6, 7], offsets_list[0])
self.assertListEqual([], offsets_list[1])
def testSorted(self):
# The fact that the ProfileManager sorts by filename is implicit in the
# other tests. It is tested explicitly here.
mgr = TestProfileManager({
ProfileFile(40, 0): [1, 2, 3, 4],
ProfileFile(150, 0): [9, 11, 13],
ProfileFile(30, 1): [5, 6, 7]})
offsets_list = mgr.GetRunGroupOffsets()
self.assertEquals(2, len(offsets_list))
self.assertListEqual([5, 6, 7, 1, 2, 3, 4], offsets_list[0])
def testPhases(self):
mgr = TestProfileManager({
ProfileFile(40, 0): [],
ProfileFile(150, 0): [],
ProfileFile(30, 1): [],
ProfileFile(30, 2): [],
ProfileFile(30, 0): []})
self.assertEquals(set([0,1,2]), mgr.GetPhases())
def testGetAnnotatedOffsets(self):
mgr = TestProfileManager({
ProfileFile(40, 0, ''): [1, 2, 3],
ProfileFile(50, 1, ''): [3, 4, 5],
ProfileFile(51, 0, 'renderer'): [2, 3, 6],
ProfileFile(51, 1, 'gpu-process'): [6, 7],
ProfileFile(70, 0, ''): [2, 8, 9],
ProfileFile(70, 1, ''): [9]})
offsets = list(mgr.GetAnnotatedOffsets())
self.assertListEqual([
self.MakeAnnotatedOffset(1, {(0, 'browser'): 1}),
self.MakeAnnotatedOffset(2, {(0, 'browser'): 2,
(0, 'renderer'): 1}),
self.MakeAnnotatedOffset(3, {(0, 'browser'): 1,
(1, 'browser'): 1,
(0, 'renderer'): 1}),
self.MakeAnnotatedOffset(4, {(1, 'browser'): 1}),
self.MakeAnnotatedOffset(5, {(1, 'browser'): 1}),
self.MakeAnnotatedOffset(6, {(0, 'renderer'): 1,
(1, 'gpu-process'): 1}),
self.MakeAnnotatedOffset(7, {(1, 'gpu-process'): 1}),
self.MakeAnnotatedOffset(8, {(0, 'browser'): 1}),
self.MakeAnnotatedOffset(9, {(0, 'browser'): 1,
(1, 'browser'): 1})],
offsets)
self.assertListEqual(['browser', 'renderer'],
sorted(offsets[1].Processes()))
self.assertListEqual(['browser'], list(offsets[0].Processes()))
self.assertListEqual([0], list(offsets[1].Phases()))
self.assertListEqual([0, 1], sorted(offsets[2].Phases()))
self.assertListEqual([0, 1], sorted(mgr.GetPhases()))
if __name__ == '__main__':
unittest.main()
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